200021212019 has 16 divisors (see below), whose sum is σ = 204875008800. Its totient is φ = 195229046016.

The previous prime is 200021212003. The next prime is 200021212031. The reversal of 200021212019 is 910212120002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 200021212019 - 2⁴ = 200021212003 is a prime.

It is a super-2 number, since 2×200021212019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200021212099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6581192 + ... + 6611514.

It is an arithmetic number, because the mean of its divisors is an integer number (12804688050).

Almost surely, 2^200021212019 is an apocalyptic number.

200021212019 is a deficient number, since it is larger than the sum of its proper divisors (4853796781).

200021212019 is a wasteful number, since it uses less digits than its factorization.

200021212019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31334.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 200021212019 in words is "two hundred billion, twenty-one million, two hundred twelve thousand, nineteen".